diff --git a/packets.md b/packets.md
index 2811aef..ca14b8a 100644
--- a/packets.md
+++ b/packets.md
@@ -30,6 +30,8 @@ This is a packet that's always registered internally as `0` for both sides, whic
 
 ### connection.ClientConnectionLoginPacket
 
+_Client-exclusive_
+
 This packet is sent by the client and is used for authentication. A `username` and `sharedSecret` are sent which are then processed by the server to authenticate the user. Afterwards, the server will consider the user authenticated, and proceed to send them various packets. All packets sent upon authentication from now on will be marked with "Sent on authentication".
 
 ### response.ResponseActionPacket